X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2Ftests%2Fchange.ma;h=16b6753167000a94134e3a1b32c7b2c4014f04a2;hb=97c2d258a5c524eb5c4b85208899d80751a2c82f;hp=ea894c28e2aacb3726fcc8c4f2ee8dbbd52e4f6c;hpb=0e10d3bcb924a36596134edfa3d82431c7794e09;p=helm.git

diff --git a/helm/matita/tests/change.ma b/helm/matita/tests/change.ma
index ea894c28e..16b675316 100644
--- a/helm/matita/tests/change.ma
+++ b/helm/matita/tests/change.ma
@@ -1,5 +1,5 @@
 (**************************************************************************)
-(*       ___	                                                            *)
+(*       ___                                                              *)
 (*      ||M||                                                             *)
 (*      ||A||       A project by Andrea Asperti                           *)
 (*      ||T||                                                             *)
@@ -13,9 +13,10 @@
 (**************************************************************************)
 
 set "baseuri" "cic:/matita/tests/change/".
+include "coq.ma".
 alias num (instance 0) = "natural number".
-alias symbol "eq" (instance 0) = "leibnitz's equality".
-alias symbol "plus" (instance 0) = "natural plus".
+alias symbol "eq" (instance 0) = "Coq's leibnitz's equality".
+alias symbol "plus" (instance 0) = "Coq's natural plus".
 alias id "nat" = "cic:/Coq/Init/Datatypes/nat.ind#xpointer(1/1)".
 
 theorem stupid: 
@@ -26,4 +27,14 @@ intros.
 change in \vdash (? ? % ?) with 5.
 rewrite < H in \vdash (? ? % ?). 
 reflexivity.
-qed.
\ No newline at end of file
+qed.
+
+(* tests changing a term under a binder *)
+alias id "True" = "cic:/Coq/Init/Logic/True.ind#xpointer(1/1)".
+theorem t: (\forall x:nat. x=x) \to True.
+ intro H.
+ change in match x in H : (\forall _.%) with (0+x).
+ change in H: (\forall _.(? ? ? (? % ?))) with 0.
+ constructor 1.
+qed.
+